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Service Hints & Tips

Document ID: GSMH-3DBGT6

TP Dock II - Undetermined Problems

Applicable to: World-Wide

Undetermined Problems:
Use the following procedure when the diagnostic tests do not identify the failing adapter or device.

Check that all cables, wires, and connectors are connected so that they do not cause a short circuit. If any problems are found, reconnect or replace them. Check the power supply for correct operation (see ¿Power Supply— on page 8). If the power supply is operating correctly, return here and continue with the following procedures.

1. Turn off the computer.
2. Remove or disconnect one at a time the following adapters or devices from Dock II. (Do not isolate adapters or devices that are known to be good.)
a. Non-IBM devices.
b. A modem, printer, mouse, external keyboard, external display, external diskette drive, numeric keypad, or other external devices.
c. Any adapter.

Note:
Removing an adapter or device may cause configuration errors. Ignore error code 174.

d. SCSI device.
e. Hard disk drive.
3. Turn on the system and check if the problem has changed.
4. If the symptom remains, repeat Steps 1 through 3 until you find the failing adapter or device, or until all adapters or devices have been removed.
5. If all adapters or devices have been removed and the problem remains, replace the following Dock II FRUs one at a time.

Note:
If a replaced part did not resolve the problem, put the original part back in the Dock II. Do not replace non-defective parts.

a. Riser card
b. Main card
c. Dock II audio card

If the problem goes away when you remove an adapter, but replacing the adapter does not correct the problem, replace the main card of Dock II.

	Search Keywords
	Hint Category	Hardware Maintenance Information
	Date Created	14-01-97
	Last Updated	10-08-98
	Revision Date	07-08-99
	Brand	IBM ThinkPad
	Product Family	ThinkPad Docking Stations
	Machine Type	3546
	Model
	TypeModel
	Retain Tip (if applicable)	N/A
	Reverse Doclinks and Admin Purposes